Improvement in jacks for holding shoes



2 sheets-sheen 1L J. ROSS".

JACK FOR HOLDING SHOES.

Patented June 27, `1865.

z aims Psrzns co, vnorawmo.. wAsHlNnTeN u c 2 Sheets-Sheet 2.

J. ROSS. .TACK POR HOLDING SHOES.

No. 48,447. Patented June 27 1865.

UNITED STATES Y PATENT OFFICE.

JOHN encss, OE PHILADELPHIA, PENNSYLVANIA.

.IMPROVEMENT IN JACKSFOR HOLDING SHOES.

Specification forming part. of Letters Patent No. 48,447, (lated June 27, 1865.

.To all whom it 'may concern.-

Be it known that I, JOHN G. ROSS, of the city of Philadelphia and State of' Pennsylvania, have invented a new and useful Improve ment in Jacks for Holding Shoes during the operation of fastening the soles thereon; and I do hereby declare that the followingis afull, clear, and exact description thereof, reference being had to the accompanying drawings and the letters ot' reference marked thereon.

Figure 1 represents a side elevation, Fig. 2 represents a plan, Fig. 3 represents an end elevation, and Fig. 4 represents a sectional elevation, of the jack. Figs. 5,6, and 7 exhibit the jack in different positions ot' adjustment. The remaining figures show the several parts ,Of the jack' in detail.

A is the last upon which the shoe is made, and has a hole boredin it which fits upon the pin B, which pin B is fastened securely upon the plate M. The-frontof the shoe is supported by a pad, G, which has trunnions fittingin the notches in the slidingblock D, which tits upon the rack-bnrF and is retained iii position upon F by means of the pawl E. The rack F is permanently fastened to the plate M. It is obvious that when the sliding block D is moved toward B the front end of thelast is pressed obliqucly upward, and is thusy held securely upon the pin B until the pawl E is released from the teeth of the rack F. The plate M is attached by a swive1joint,G, to the plate H in suoli a manner that wlienthe p late H is in the position shown in Figs. l, 2, 3, and 4 the plate M is susceptible of rotation in a horizont-al plane, and is supported by the block L, so that nails may be conveniently driven into the sole ot' the shoe. `The plate H is attached so as to be susceptible of motion in a vertical plane, bya joint, J, to the bearing K, which bearing K is attached tothe base or block L by ajoint susceptible of rotation in a horizontal plane.

, The following properties are obtained by the arrangement of joints above described: First, the last resists'the force applied in driving nailsinto the sole, and at the same time can be rotated so as to present any portion of the edge of the sole toward the workman 5 second, the shoe, Without nnclamping, may be turned in any position for the purpose ot' sewing the" The arrangement of rack F, pawl E, vsliding block D, and pin B aords the means sole.

of clamping a greater range of sizes than in other jacks heretofore used, and they can be clamped and unclamped more readily than by other devices heretofore employed.

What I claim as Amy inventiomand desire to secure as such by Letters Patent, is-L l. The combination of the pin, rack, and pawl and sliding block and pad, arranged sub stantially as setforth and described.

v2. The combination ot' the swivel G, plate M, and base L, arranged and used substatitially as drawn and described.

3. The combination of the swivel G, joint J and rotating bearing K, when arranged substantially as set forth and described.

JDHN G'. ROSS.

Witnesses:

S. LLOYD WIEGAND,

JOHN R. BENTLEY. 

